Abhishek Somani created SPARK-37199:
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Summary: Add a deterministic field to QueryPlan
Key: SPARK-37199
URL: https://issues.apache.org/jira/browse/SPARK-37199
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 3.2.0
Reporter: Abhishek Somani
We have a _deterministic_ field in
[Expressions|https://github.com/apache/spark/blob/b78167a2ee6b11b1f2839274e23676411f919115/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Expression.scala#L115]
to check if an expression is deterministic, but we do not have a similar field
in
[QueryPlan.|https://github.com/apache/spark/blob/b78167a2ee6b11b1f2839274e23676411f919115/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/QueryPlan.scala#L44]
We have a need for such a check in the QueryPlan sometimes, like in
[InlineCTE|https://github.com/apache/spark/blob/b78167a2ee6b11b1f2839274e23676411f919115/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/InlineCTE.scala#L56]
This proposal is to add a _deterministic_ field to QueryPlan.
More details in this document.
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